Scintillation Pulse Shapes of Anthracene Single Crstals in Nanosecond Region. : II. Difference between Scintillation and Fluorescence Pulses

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概要

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• The accurate pulse shapes of luminescence of anthracene single crystal in the time region of about 50 nsec from the rise-portion of pulse excited by UV light pulse, α-, β-particle and γ-ray were obtained. The pure decay constants of scintillation excited by high energy radiation, and of fluorescence by UV light pulse were determined to be (10±1) nsec and (6.5±0.5) nsec respectively without the self-absorption effect. The differences of decay constants and rise times between scintillation and fluorescence pulses were discussed on the basis of the fact that the life time of ions generated in anthracene crystal by high energy radiation is longer than that of the lowest singlet excitons.

• 社団法人日本物理学会の論文
• 1970-05-05

著者

• Owaki Shigehiro

  Radiation Laboratory The Institute Of Scientific And Industrial Research Osaka University

• Kimura Yoshitake

  Radiation Laboratory The Institute Of Scientific And Industrial Research Osaka University

• Kawanishi Masaharu

  Radiation Laboratory The Institute Of Scientific And Industrial Research Osaka University

関連論文

• Scintillation Pulse Shapes of Anthracene Single Crystals in Nanosecond Region. : I. Initial Spikes in α-Scintillation Pulse
• Scintillation Pulse Shapes of Anthracene Single Crstals in Nanosecond Region. : II. Difference between Scintillation and Fluorescence Pulses

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